Home / 768,851.52-1,060,944.48-496,927.68

Finding the Fourth Proportional to 768,851.52, 1,060,944.48 and 496,927.68

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Solution

The fourth proportional to 768,851.52, 1,060,944.48 and 496,927.68 is: 685,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,851.52 : 1,060,944.48 = 496,927.68 : x
  2. Step 2: Convert to fraction form
    768,851.52/1,060,944.48 = 496,927.68/x
  3. Step 3: Cross multiply
    768,851.52x = 1,060,944.48 × 496,927.68
  4. Step 4: Simplify right side
    768,851.52x = 527,212,679,055.21
  5. Step 5: Solve for x
    x = 527,212,679,055.21/768,851.52
  6. Step 6: Final answer
    x = 685,714.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.